Outer surface portion of an electronic enclosure



FIG. 1 is a perspective view of an outer surface portion of anelectronic enclosure showing my new design;

FIG. 2 is a front elevational view thereof; and,

FIG. 3 is a bottom plan view thereof.

The broken line showing of the remainder of the electronic enclosure isfor illustrative purposes only and forms no part of the claimed design.

The ornamental design for an outer surface portion of an electronicenclosure, as shown and described.